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<div id="projectname">Nimbus
 <span id="projectnumber">0.3.3</span>
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<div id="projectbrief">An iOS framework whose growth is bounded by O(documentation).</div>
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<div class="title">/Users/featherless/workbench/ios/nimbus/src/core/src/NIDeviceOrientation.m</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// Copyright 2011 Jeff Verkoeyen</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Forked from Three20 June 10, 2011 - Copyright 2009-2011 Facebook</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00007"></a>00007 <span class="comment">// you may not use this file except in compliance with the License.</span>
<a name="l00008"></a>00008 <span class="comment">// You may obtain a copy of the License at</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
<a name="l00013"></a>00013 <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00014"></a>00014 <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00015"></a>00015 <span class="comment">// See the License for the specific language governing permissions and</span>
<a name="l00016"></a>00016 <span class="comment">// limitations under the License.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#import "NIDeviceOrientation.h"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#import "NIDebuggingTools.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#import "NISDKAvailability.h"</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024
<a name="l00026"></a><a class="code" href="group___device-_orientation.html#ga7c59ce546cc2e2835532fa9dea2a4869">00026</a> UIInterfaceOrientation <a class="code" href="group___device-_orientation.html#ga7c59ce546cc2e2835532fa9dea2a4869" title="Returns the application's current interface orientation.">NIInterfaceOrientation</a>() {
<a name="l00027"></a>00027 UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">// This code used to use the navigator to find the currently visible view controller and</span>
<a name="l00030"></a>00030 <span class="comment">// fall back to checking its orientation if we didn't know the status bar's orientation.</span>
<a name="l00031"></a>00031 <span class="comment">// It's unclear when this was actually necessary, though, so this assertion is here to try</span>
<a name="l00032"></a>00032 <span class="comment">// to find that case. If this assertion fails then the repro case needs to be analyzed and</span>
<a name="l00033"></a>00033 <span class="comment">// this method made more robust to handle that case.</span>
<a name="l00034"></a>00034 <a class="code" href="group___debugging-_tools.html#ga13cc3ae82820ea8141bc319bcb76ab7f" title="Assertions that only fire when DEBUG is defined.">NIDASSERT</a>(UIDeviceOrientationUnknown != orient);
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordflow">return</span> orient;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00041"></a><a class="code" href="group___device-_orientation.html#gad11b7958206db7c5d5a85d78f6d5ce4b">00041</a> BOOL <a class="code" href="group___device-_orientation.html#gad11b7958206db7c5d5a85d78f6d5ce4b" title="For use in shouldAutorotateToInterfaceOrientation:">NIIsSupportedOrientation</a>(UIInterfaceOrientation orientation) {
<a name="l00042"></a>00042 <span class="keywordflow">if</span> (<a class="code" href="group___s_d_k-_availability.html#gaf7d2c830b4c39cfeeb37d59258abb722" title="Checks whether the device the app is currently running on is an iPad or not.">NIIsPad</a>()) {
<a name="l00043"></a>00043 <span class="keywordflow">return</span> YES;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 } <span class="keywordflow">else</span> {
<a name="l00046"></a>00046 <span class="keywordflow">switch</span> (orientation) {
<a name="l00047"></a>00047 <span class="keywordflow">case</span> UIInterfaceOrientationPortrait:
<a name="l00048"></a>00048 <span class="keywordflow">case</span> UIInterfaceOrientationLandscapeLeft:
<a name="l00049"></a>00049 <span class="keywordflow">case</span> UIInterfaceOrientationLandscapeRight:
<a name="l00050"></a>00050 <span class="keywordflow">return</span> YES;
<a name="l00051"></a>00051 <span class="keywordflow">default</span>:
<a name="l00052"></a>00052 <span class="keywordflow">return</span> NO;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 }
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